<template>
  <div class="son">
    <h3>我是Son组件（孙）,{{car.name}}--{{car.price}}</h3>
  </div>
</template>

<script>
    import {inject} from 'vue' 
    export default {
        name:'Son',
        setup(){
            let car = inject('car')
            // console.log(car)

            return {
                car
            }
        }
    }
</script>

<style>
  .son {
    background-color: orange;
    padding: 10px;
  }
</style>